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Prompt Engineering Consultant

Prompt Engineering Services

I design, test, and optimize the prompts behind your LLM-powered features — making outputs more accurate, consistent, and cost-efficient through systematic evaluation rather than guesswork.

The Problem

Inconsistent AI outputs

Your LLM feature works well sometimes and produces unreliable results other times, with no clear pattern.

No evaluation process

Prompts were written once and never systematically tested against edge cases or measured for quality.

Rising token costs

Verbose, unoptimized prompts and unnecessary model calls are driving up your AI spend without improving results.

How I Solve It

Systematic prompt design

I apply proven prompt patterns — few-shot examples, chain-of-thought, structured output formatting — matched to your specific use case.

Evaluation frameworks

I build test sets and scoring rubrics so prompt changes are measured against real performance data, not gut feel.

Cost and latency optimization

Prompts are tightened and model choice is reviewed to reduce token usage and response time without sacrificing quality.

What You Get

More reliable outputs

Fewer hallucinations and inconsistent responses through tested, structured prompting.

Lower AI costs

Optimized prompts and model selection reduce token spend.

Faster iteration

An evaluation framework means future prompt changes can be tested quickly and confidently.

How We'll Work Together

Step 01

Audit Current Prompts

I review existing prompts and outputs to identify failure patterns and inconsistencies.

Step 02

Build Evaluation Set

We create a test set of representative inputs and define what a 'good' output looks like.

Step 03

Iterate & Optimize

Prompts are rewritten and tested against the evaluation set, measuring improvement systematically.

Step 04

Document & Hand Off

Final prompts, rationale, and evaluation results are documented so your team can maintain them.

Illustrative Example

Illustrative Example: Document Extraction Accuracy Improvement

This is a template example, not a completed client engagement: an LLM-based document data extraction feature with inconsistent field accuracy was rebuilt with structured few-shot prompting and an evaluation harness, improving extraction accuracy and reducing manual review time.

See Full Project Case Studies

Technologies Used

OpenAI API
Anthropic API
Prompt Evaluation Tooling
Node.js
Python

Frequently Asked Questions

What is Prompt Engineering?

Prompt engineering is the practice of designing and refining the inputs given to a large language model — instructions, examples, context, and formatting — to reliably produce the desired output quality, accuracy, and structure.

What does a Prompt Engineer do?

A prompt engineer designs prompt structures, builds evaluation sets to measure output quality, tests prompts against edge cases, and iterates systematically to improve reliability, accuracy, and cost-efficiency of LLM-powered features.

Why is Prompt Engineering important?

The same underlying model can produce dramatically different quality results depending on how it's prompted. Poor prompting leads to inconsistent, inaccurate, or unsafe outputs — well-engineered prompts are often the difference between a feature that works and one that doesn't.

How can Prompt Engineering improve AI results?

Through techniques like few-shot examples, chain-of-thought reasoning, structured output formatting, and systematic evaluation against test cases, prompt engineering measurably improves accuracy, consistency, and reduces hallucination rates.

Ready to Put AI to Work in Your Business?

Whether you need a custom AI agent, an automation workflow, or a full-stack AI product built from scratch — let's talk about how I can help your team move faster and build smarter.

I typically respond within 24 hours